That's what happened when you read similar books, followed like-minded people (and have an unhealthy obsession), do discussion with like-minded people or even steer the topic toward your own pont of view.
Be careful. You are living on your own bubble.
Oh dear. You heard the piper's tune and now nothing else matters. I wonder, does PG still program, or does he make money another way now. There's the clue.
Imagine you were actually trying to convince pg to fund you after he said 'I think you'd be a better founder if you finished college first'. What would you tell him?
Honestly, I went through the same thing with my parents ("When are you going to get a real job?") during my gap year freelancing. As people have said before, you can show them your success... but your degree is definitely part of that, and you'll rather you had spent $100k on a 4.0 than a "just scraped by"